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NASA astronauts Mike Hopkins and Victor Glover concluded their spacewalk at 1:16 p.m. EST, after 5 hours and 20 minutes. In the second spacewalk of the year, the two NASA astronauts completed work to replace batteries that store power from the station’s solar arrays and upgrade several of the station’s external cameras. The duo finished their …

The third of five sets of solid rocket boosters for NASA’s Space Launch System (SLS) rocket were placed on the mobile launcher inside the Vehicle Assembly Building (VAB) at NASA’s Kennedy Space Center in Florida. The middle segments, painted with the iconic “worm” logo, were lifted onto the launcher by Jacobs and Exploration Ground Systems …

NASA astronauts Mike Hopkins and Victor Glover have begun their spacewalk to finish a four-year effort to upgrade the International Space Station’s power system. They will install a final lithium-ion battery adapter plate on the port 4 (P4) truss and upgrade several external cameras. The spacewalkers switched their spacesuits to battery power at 7:56 a.m. …

NASA Television coverage of today’s spacewalk with NASA astronauts Mike Hopkins and Victor Glover is now underway and available on the agency’s website. The crew members of Expedition 64 are preparing to venture outside the International Space Station for a spacewalk expected to last about six and a half hours. The crew is in the airlock …

NASA astronauts Mike Hopkins and Victor Glover are scheduled to depart the International Space Station’s Quest airlock Monday for a spacewalk to install a final lithium-ion battery adapter plate on the port 4 (P4) truss that will wrap up battery replacement work begun in January 2017. The duo will set their spacesuits to battery power …

NASA plans to conduct a second Green Run hot fire test as early as the fourth week in February with the Space Launch System (SLS) rocket’s core stage that will launch the Artemis I mission to the Moon. The Green Run is a comprehensive assessment of the rocket’s core stage prior to launching Artemis missions. …

Payloads AstroRad Vest: The crew performed exercise while wearing the AstroRad Vest. The AstroRad vest is a personal protective equipment (PPE) device which functions as a radiation shield for astronauts. The AstroRad shields astronauts from space-borne ionizing radiation in an efficient way, provides operational simplification, and allows for the use of recycled material on-board the …

Four Expedition 64 astronauts are going into the weekend preparing for a spacewalk on Monday for battery and high definition camera work. The other International Space Station residents will spend their time on research, maintenance and exercise. Spacewalkers Michael Hopkins and Victor Glover will partner with astronauts Kate Rubins of NASA and Soichi Noguchi of …

By Mara Johnson-Groh NASA's Goddard Space Flight Center On January 31, 1958, the U.S. launched its first satellite: Explorer 1. Among its many achievements, Explorer 1 made the ground-breaking discovery of belts of charged particles encircling Earth. That discovery is still being studied today. 63 years on, scientists are still learning about these belts – …

Payloads Capillary Structures: The crew performed the Capillary Structures Sorbent Contactor operations that demonstrates flow through two microgravity air-liquid contractors in series. Current life-support systems on the ISS require special equipment to separate liquids and gases, including rotating or moving devices that could cause contamination if they break or fail. The Capillary Structures for Exploration …